20864855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10253}}^1$

素因数の和:10306

約数の個数: 16

約数和(自身を含む): 28054944

約数和(自身を除く): 7190089

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10253, 51265, 112783, 379361, 563915, 1896805, 4172971, 20864855]

約数ペア:

[(1, 20864855), (5, 4172971), (11, 1896805), (37, 563915), (55, 379361), (185, 112783), (407, 51265), (2035, 10253)]